Pardo-Igúzquiza, Eulogio, Juan José Durán Valsero, and Peter A. Dowd. 2013. “Automatic Detection and Delineation of Karst Terrain Depressions and Its Application in Geomorphological Mapping and Morphometric Analysis”. Acta Carsologica 42 (1). Ljubljana, Slovenija. https://doi.org/10.3986/ac.v42i1.637.